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| 1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef V8_ELEMENTS_H_ | 5 #ifndef V8_ELEMENTS_H_ |
| 6 #define V8_ELEMENTS_H_ | 6 #define V8_ELEMENTS_H_ |
| 7 | 7 |
| 8 #include "src/elements-kind.h" | 8 #include "src/elements-kind.h" |
| 9 #include "src/heap/heap.h" | 9 #include "src/heap/heap.h" |
| 10 #include "src/isolate.h" | 10 #include "src/isolate.h" |
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| 74 // CopyElements, it copies all of elements from source after source_start to | 74 // CopyElements, it copies all of elements from source after source_start to |
| 75 // destination array, padding any remaining uninitialized elements in the | 75 // destination array, padding any remaining uninitialized elements in the |
| 76 // destination array with the hole. | 76 // destination array with the hole. |
| 77 static const int kCopyToEndAndInitializeToHole = -2; | 77 static const int kCopyToEndAndInitializeToHole = -2; |
| 78 | 78 |
| 79 // Copy all indices that have elements from |object| into the given | 79 // Copy all indices that have elements from |object| into the given |
| 80 // KeyAccumulator. For Dictionary-based element-kinds we filter out elements | 80 // KeyAccumulator. For Dictionary-based element-kinds we filter out elements |
| 81 // whose PropertyAttribute match |filter|. | 81 // whose PropertyAttribute match |filter|. |
| 82 virtual void CollectElementIndices(Handle<JSObject> object, | 82 virtual void CollectElementIndices(Handle<JSObject> object, |
| 83 Handle<FixedArrayBase> backing_store, | 83 Handle<FixedArrayBase> backing_store, |
| 84 KeyAccumulator* keys, | 84 KeyAccumulator* keys) = 0; |
| 85 uint32_t range = kMaxUInt32, | |
| 86 PropertyFilter filter = ALL_PROPERTIES, | |
| 87 uint32_t offset = 0) = 0; | |
| 88 | 85 |
| 89 inline void CollectElementIndices(Handle<JSObject> object, | 86 inline void CollectElementIndices(Handle<JSObject> object, |
| 90 KeyAccumulator* keys, | 87 KeyAccumulator* keys) { |
| 91 uint32_t range = kMaxUInt32, | 88 CollectElementIndices(object, handle(object->elements(), keys->isolate()), |
| 92 PropertyFilter filter = ALL_PROPERTIES, | 89 keys); |
| 93 uint32_t offset = 0) { | |
| 94 CollectElementIndices(object, handle(object->elements()), keys, range, | |
| 95 filter, offset); | |
| 96 } | 90 } |
| 97 | 91 |
| 98 virtual Maybe<bool> CollectValuesOrEntries( | 92 virtual Maybe<bool> CollectValuesOrEntries( |
| 99 Isolate* isolate, Handle<JSObject> object, | 93 Isolate* isolate, Handle<JSObject> object, |
| 100 Handle<FixedArray> values_or_entries, bool get_entries, int* nof_items, | 94 Handle<FixedArray> values_or_entries, bool get_entries, int* nof_items, |
| 101 PropertyFilter filter = ALL_PROPERTIES) = 0; | 95 PropertyFilter filter = ALL_PROPERTIES) = 0; |
| 102 | 96 |
| 103 // | |
| 104 virtual Handle<FixedArray> PrependElementIndices( | 97 virtual Handle<FixedArray> PrependElementIndices( |
| 105 Handle<JSObject> object, Handle<FixedArrayBase> backing_store, | 98 Handle<JSObject> object, Handle<FixedArrayBase> backing_store, |
| 106 Handle<FixedArray> keys, GetKeysConversion convert, | 99 Handle<FixedArray> keys, GetKeysConversion convert, |
| 107 PropertyFilter filter = ALL_PROPERTIES) = 0; | 100 PropertyFilter filter = ALL_PROPERTIES) = 0; |
| 108 | 101 |
| 109 inline Handle<FixedArray> PrependElementIndices( | 102 inline Handle<FixedArray> PrependElementIndices( |
| 110 Handle<JSObject> object, Handle<FixedArray> keys, | 103 Handle<JSObject> object, Handle<FixedArray> keys, |
| 111 GetKeysConversion convert, PropertyFilter filter = ALL_PROPERTIES) { | 104 GetKeysConversion convert, PropertyFilter filter = ALL_PROPERTIES) { |
| 112 return PrependElementIndices(object, handle(object->elements()), keys, | 105 return PrependElementIndices(object, handle(object->elements()), keys, |
| 113 convert, filter); | 106 convert, filter); |
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| 194 bool allow_appending = false); | 187 bool allow_appending = false); |
| 195 | 188 |
| 196 MUST_USE_RESULT MaybeHandle<Object> ArrayConstructInitializeElements( | 189 MUST_USE_RESULT MaybeHandle<Object> ArrayConstructInitializeElements( |
| 197 Handle<JSArray> array, | 190 Handle<JSArray> array, |
| 198 Arguments* args); | 191 Arguments* args); |
| 199 | 192 |
| 200 } // namespace internal | 193 } // namespace internal |
| 201 } // namespace v8 | 194 } // namespace v8 |
| 202 | 195 |
| 203 #endif // V8_ELEMENTS_H_ | 196 #endif // V8_ELEMENTS_H_ |
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